<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>3.列表过滤</title>
		<!-- 引入开发版本的Vue -->
		<script type="text/javascript" src="../js/vue.js"></script>
	</head>
	<body>
		<!-- 准备好一个容器-->
		<div id="root">
			<h2>人员列表</h2>
			<input type="text" v-model="keyWord">
			<!-- v-for遍历数组 -->
			<ul>
				<li v-for="p in fltPersons" :key="p.id">
					{{p.name}}-{{p.age}}
				</li>
			</ul>
		</div>
	</body>

	<script type="text/javascript">
		Vue.config.productionTip = false //阻止 vue 在启动时生成生产提示。
		
		new Vue({
			el:'#root',
			data:{
				keyWord:'',
				persons:[
					{id:'001',name:'马冬梅',age:19},
					{id:'002',name:'周冬雨',age:30},
					{id:'003',name:'周杰伦',age:15},
					{id:'004',name:'温兆伦',age:17},
				],
				fltPersons:[]
			},
			watch:{
				keyWord:{
					immediate:true,
					handler(value){
						const x  = this.persons.filter((p)=>{
							return p.name.indexOf(value) !== -1
						})
						this.fltPersons = x
					}
				}
			}
		})
	</script>
</html>